6 files changed, 80 insertions, 17 deletions

diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 204f5819d464..cd84b12d1e60 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -126,8 +126,9 @@ struct acpi_exception_info {
 #define AE_OWNER_ID_LIMIT               EXCEP_ENV (0x001B)
 #define AE_NOT_CONFIGURED               EXCEP_ENV (0x001C)
 #define AE_ACCESS                       EXCEP_ENV (0x001D)
+#define AE_IO_ERROR                     EXCEP_ENV (0x001E)
 
-#define AE_CODE_ENV_MAX                 0x001D
+#define AE_CODE_ENV_MAX                 0x001E
 
 /*
  * Programmer exceptions
@@ -263,7 +264,8 @@ static const struct acpi_exception_info acpi_gbl_exception_names_env[] = {
                   "There are no more Owner IDs available for ACPI tables or control methods"),
         EXCEP_TXT("AE_NOT_CONFIGURED",
                   "The interface is not part of the current subsystem configuration"),
-        EXCEP_TXT("AE_ACCESS", "Permission denied for the requested operation")
+        EXCEP_TXT("AE_ACCESS", "Permission denied for the requested operation"),
+        EXCEP_TXT("AE_IO_ERROR", "An I/O error occurred")
 };
 
 static const struct acpi_exception_info acpi_gbl_exception_names_pgm[] = {
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index fbc2baf2b9dc..0d824a28522d 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -349,12 +349,28 @@ void acpi_os_redirect_output(void *destination);
 #endif
 
 /*
- * Debug input
+ * Debug IO
  */
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
 acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read);
 #endif
 
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_command_signals
+acpi_status acpi_os_initialize_command_signals(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_command_signals
+void acpi_os_terminate_command_signals(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_command_ready
+acpi_status acpi_os_wait_command_ready(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_notify_command_complete
+acpi_status acpi_os_notify_command_complete(void);
+#endif
+
 /*
  * Obtain ACPI table(s)
  */
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 3aaaa8630735..012b2eed7a93 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -46,7 +46,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20150930
+#define ACPI_CA_VERSION                 0x20151218
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
@@ -190,6 +190,11 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 
 /*
+ * Optionally support group module level code.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE);
+
+/*
  * Optionally use 32-bit FADT addresses if and when there is a conflict
  * (address mismatch) between the 32-bit and 64-bit versions of the
  * address. Although ACPICA adheres to the ACPI specification which
@@ -263,6 +268,19 @@ ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 
+/* Optionally enable timer output with Debug Object output */
+
+ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
+
+/*
+ * Debugger command handshake globals. Host OSes need to access these
+ * variables to implement their own command handshake mechanism.
+ */
+#ifdef ACPI_DEBUGGER
+ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
+ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
+#endif
+
 /*
  * Other miscellaneous globals
  */
@@ -366,6 +384,29 @@ ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 
 #endif                          /* ACPI_APPLICATION */
 
+/*
+ * Debugger prototypes
+ *
+ * All interfaces used by debugger will be configured
+ * out of the ACPICA build unless the ACPI_DEBUGGER
+ * flag is defined.
+ */
+#ifdef ACPI_DEBUGGER
+#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
+        ACPI_EXTERNAL_RETURN_OK(prototype)
+
+#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
+        ACPI_EXTERNAL_RETURN_VOID(prototype)
+
+#else
+#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
+        static ACPI_INLINE prototype {return(AE_OK);}
+
+#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
+        static ACPI_INLINE prototype {return;}
+
+#endif                          /* ACPI_DEBUGGER */
+
 /*****************************************************************************
  *
  * ACPICA public interface prototypes
@@ -822,17 +863,9 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
-                                acpi_set_firmware_waking_vectors
+                                acpi_set_firmware_waking_vector
                                 (acpi_physical_address physical_address,
                                  acpi_physical_address physical_address64))
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
-                                 acpi_set_firmware_waking_vector(u32
-                                                                 physical_address))
-#if ACPI_MACHINE_WIDTH == 64
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
-                                acpi_set_firmware_waking_vector64(u64
-                                                                  physical_address))
-#endif
 /*
  * ACPI Timer interfaces
  */
@@ -929,6 +962,8 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status
                                                void **data,
                                                void (*callback)(void *)))
 
+void acpi_run_debugger(char *batch_buffer);
+
 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
 
 #endif                          /* __ACXFACE_H__ */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index f914958c4adb..9633f606d89e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -1148,7 +1148,7 @@ u32 (*acpi_interface_handler) (acpi_string interface_name, u32 supported);
 
 #define ACPI_PCICLS_STRING_SIZE         7       /* Includes null terminator */
 
-/* Structures used for device/processor HID, UID, CID, and SUB */
+/* Structures used for device/processor HID, UID, CID */
 
 struct acpi_pnp_device_id {
         u32 length;             /* Length of string + null */
@@ -1178,7 +1178,6 @@ struct acpi_device_info {
         u64 address;    /* _ADR value */
         struct acpi_pnp_device_id hardware_id;  /* _HID value */
         struct acpi_pnp_device_id unique_id;    /* _UID value */
-        struct acpi_pnp_device_id subsystem_id; /* _SUB value */
         struct acpi_pnp_device_id class_code;   /* _CLS value */
         struct acpi_pnp_device_id_list compatible_id_list;      /* _CID list <must be last> */
 };
@@ -1193,13 +1192,12 @@ struct acpi_device_info {
 #define ACPI_VALID_ADR                  0x0002
 #define ACPI_VALID_HID                  0x0004
 #define ACPI_VALID_UID                  0x0008
-#define ACPI_VALID_SUB                  0x0010
 #define ACPI_VALID_CID                  0x0020
 #define ACPI_VALID_CLS                  0x0040
 #define ACPI_VALID_SXDS                 0x0100
 #define ACPI_VALID_SXWS                 0x0200
 
-/* Flags for _STA return value (current_status above) */
+/* Flags for _STA method */
 
 #define ACPI_STA_DEVICE_PRESENT         0x01
 #define ACPI_STA_DEVICE_ENABLED         0x02
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 323e5daece54..e21857d2ec05 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -150,6 +150,8 @@
  */
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
+#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_command_signals
+#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_command_signals
 
 /*
  * OSL interfaces used by utilities
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
index fd6d70fe1219..f903fe64259a 100644
--- a/include/acpi/platform/aclinuxex.h
+++ b/include/acpi/platform/aclinuxex.h
@@ -129,6 +129,16 @@ static inline u8 acpi_os_readable(void *pointer, acpi_size length)
         return TRUE;
 }
 
+static inline acpi_status acpi_os_initialize_command_signals(void)
+{
+        return AE_OK;
+}
+
+static inline void acpi_os_terminate_command_signals(void)
+{
+        return;
+}
+
 /*
  * OSL interfaces added by Linux
  */